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from the Forum department...
GE Frame 6: Change the start engine
Power generation equipment control. topic
Posted by Silvio Sosa on 4 November, 2008 - 8:05 am
I am investing ideas for converting a GE Frame 6B unit from a Diesel Start Engine to an electric motor start. Any information would be helpful.

The installations consist in a diesel (Detroit V12, 600HP) start engine, for the start up of the gas turbine GE MS 6B. Is needed to change it for an electrical equipment.


Posted by CSA on 5 November, 2008 - 12:12 am
Changing the starting means is possible, not inexpensive, but possible.

You should start your investigation by looking at the electrical supply system at your site. This is often the limiting factor when considering such a change. How much will the 'auxiliary' electrical supply system have to be modified to support an electric motor of the size required to replace the diesel starting means? Again, this is usually the most costly part of the change as most sites with diesel starting means aren't built with the electrical supply capability to support an electric starting means.

But, I would like to understand why you want to replace the diesel starting means. Are you experiencing problems with the diesel or the diesel governor?

This is not a simple change-out, it can be and has been done before. But, again, the replacement of the diesel with an electric motor is possible, but usually the most work involved is in readying the electrical supply system to provide the power for the electric motor.

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